Education is the progressive realization of our ignorance.
— Albert Einstein

Education is a progressive discovery of our own ignorance.
— Will Durant

Success is the progressive realization of a worthy goal or ideal.
— Earl Nightingale

There are three classes of men; the retrograde, the stationary and the progressive.
— Johann Kaspar Lavater

In a progressive country change is constant; change is inevitable.
— Benjamin Disraeli